參數(shù)資料
型號(hào): S1D13700F02A100
元件分類(lèi): 顯示控制器
英文描述: 320 X 240 PIXELS CRT OR FLAT PNL GRPH DSPL CTLR, PQFP64
封裝: LEAD FREE, TQFP-64
文件頁(yè)數(shù): 81/108頁(yè)
文件大?。?/td> 1373K
代理商: S1D13700F02A100
4: FUNCTION DESCRIPTION
S1D13700 Technical Manual
EPSON
69
(2) Halftone display
The S1D13700 uses the DISP ON/OFF command’s FP parameter to produce halftone display. This is
accomplished by ashing the screen at 15 Hz. However, because this method of display may cause display
to icker, characteristics of the LCD module used must be carefully considered.
1 Menu pad display
[OR’ing by the layered function]
OVLAY
P1 = 00H
Disable ashing of the rst layer and enable ashing of the second
DISP ON/OFF
layer at 17 Hz, then overlay the rst and second layers by OR’ing.
P1 = 34H
2 Graph display
[OR’ing by the layered function]
OVLAY
P1 = 00H
Disable ashing of the rst layer and enable ashing of the second
DISP ON/OFF
layer at 15 Hz, then overlay the rst and second layers by OR’ing.
P1 = 34H
When displaying various data in the form of a graph for comparison purposes, this method of display is
very effective because two types of diagrams distinguishable by differences in contrast can be displayed.
(3) Area ashing
1 For flashing a few characters
Because the S1D13700 has a high-speed interface circuit, alternately rewriting the character and blank
codes from the MPU to ash characters is an appropriate method. In this case, the MPU rewrites
display data at intervals of 0.5 to 1.0 second as regulated by its internal timer.
2 For flashing a large area
Divide the rst or second layer into halves with only the area required made to ash at 2 Hz, and
overlay the halved layer blocks by OR’ing.
Halftone
SAD1
SAD2
First layer
Second layer
Screen
AB
XYZ
AB
XYZ
Scroll
DISP ON/OFF
OVLAY
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